Health and safety information179Potentially explosive atmospheresSwitch off your phone when in any area with apotentially explosive atmosphere and obey all signsand instructions. Sparks in such areas could causean explosion or fire resulting in bodily injury or evendeath.Users are advised to switch off the phone while at arefuelling point (service station). Users arereminded of the need to observe restrictions on theuse of radio equipment in fuel depots (fuel storageand distribution areas), chemical plants or whereblasting operations are in progress.Areas with a potentially explosive atmosphere areoften but not always clearly marked. They includebelow deck on boats, chemical transfer or storagefacilities, vehicles using liquefied petroleum gas(such as propane or butane), areas where the aircontains chemicals or particles, such as grain, dustor metal powders, and any other area where youwould normally be advised to turn off your vehicleengine.Emergency callsThis phone, like any wireless phone, operates usingradio signals, wireless and landline networks as wellas user-programmed functions, which cannotguarantee connection in all conditions. Therefore,you should never rely solely on any wireless phonefor essential communications (medicalemergencies, for example).Remember, to make or receive any calls the phonemust be switched on and in a service area withadequate signal strength. Emergency calls may not
